The problem was the wire running from the CPU to the fuel tank was melted . Say got around to working on that 87 chevy fuel tank problem.
I see if you buy 91 octane it is free of ehanal. I have a K30 that runs factory dual tanks.
. I have an 87 harness but don’t remember how many pins the.
Chevy 3/4 ton Pick up, dual Fuel Tank, wiring diagram needed. a e mercedes benz type Under the car in front of the fuel tank in a steel tray .
Wiring diaghram for fuel pump on 87 chevy p/u v8 dual tank – Answered by a verified The wiring harness is messed up -cut -missing from left frame rail to tank. GM Light Truck Service, Unit/Overhaul, Wiring Manuals, Parts Books .
Since the / NL2 dual tank systems used a sub-harness that . C30 ” 4spd PS PB White With Blue Int 10′ Flatbed.
I aquired a ’77 Scottsdale, 4×4, short bed, , with dual tanks and at on a C30 3+3 tomorrow to remove the tanks, saddles, wires & plumbing for my 77 K I found two fuel tank wiring diagrams in my GM repair manual.I have an 85 Chevy pickup. It has motor with dual fuel tanks. Both tanks are full of fuel but when right tank gets low on fuel & I try to switch to the left tank which is full, truck acts like its starving for fuel.
Most of the time I can’t even start my truck on that tank. I’ve had the truck for a lil bit over a year & it just started doing this like 2 wks ago.
May 03, · News: As of April 1, All Classified forums require a Site Supporter subscription. Duralast / Fuel Tank Selector Valve Part Number: FSV1 Warranty: Lifetime Warranty Notes:Universal 6 port; O.E.M.
#, U I have a couple of questions about the diagram if someone wouldn’t mind explaining a little bit. Oct 03, · Dual Tank Fun Thank you for the update ~ As it turns, my dual tank setup is an aftermarket one by ” Travel Tanks ” and so it uses a DPDT bat handle switch, I was able to find one with the correct screws and knurled dash nut and installed it, it is designed to use the stock dash gauge for both tanks and switch the tank feed wire over at tghe same time it flips the fuel valve.
Jan 06, · My switch will have all the pink wires, and probably the green ones too () but I haven’t had any problems out of a dual tank setup so i never messed with one beyond changing out the valve itself.
I looked in my 78 shop manual and the wiring colors, etc are different in mine. Jan 31, · Do any of you guys have a good wiring diagram that you can copy and send me of this truck with dual tanks, I have purchased 2 books now and the wiring diagrams are junk, don’t show much and I would like a more detailed look at the wiring system.
thanks in advance for any help! I now know more about the fuel system of a dual tank truck then.dual fuel tank wiring diagram Questions & Answers (with Pictures) – FixyaDual fuel tank switch